pop up
phrasal verb with pop verb uk/pɒp/ us/pɑːp/ -pp-
(APPEAR)
informal(尤指突然地)出现,发生
to appear or happen, especially suddenly or unexpectedly
She's one of those movie stars who pops up everywhere, on TV, in magazines, on Broadway. 她是那种四处露脸的影星,在电视上、杂志上、百老汇,到处可见她的身影。
The words "Hard disk failure - program aborted" popped up on the screen. “硬盘故障——程序终止”这几个字突然出现在屏幕上。